ESR1 and breast cancer: BC incidence  ER/PR+ BC incidence  ER/PR- BC incidence  P.M. BC incidence  P.M. ER/PR+ BC incidence  P.M. ER/PR- BC incidence  Pr.M BC incidence  Pr.M. ER/PR+ BC incidence  Pr.M. ER/PR- BC incidence